10 Best


of April 2024

  1. Product Highlights
    • Imported jan5654 tubes and vintage warm sound: default comes with jan5654 tubes, improves everything associated with your music such as detail, transparency, immediacy, richness, dynamic, tone etc., much better than 6j1 series especially in human voice. pluggable tube socket for tube rolling and sound-shaping, easy to pick from and alter the sound signature to one's pre...
    • Mini size and excellent performance: all designs full of details, solid aluminum knob, potentiometer for smooth multi-level gain adjustment, grey integrated moulding aluminum alloy shell decorates with special red tube cover and knob, looks vintage and elegant. compact t4 pro will give you a different acoustic enjoyment with large dynamic and sweet tube sound even in li...
    • T4 pro tube preamp meets more hifi needs: mm phono input, converts phono signal to line level signal, with low-noise integrated circuits and high-quality components to ensure clear and clean sound. 3.5mm aux input, amplify the low level audio signal from your phone, tablet, pc, mp3 etc., easier to drive amplifier or active speaker and greatly improve the sound quality.
    • 3.5mm headphone output and perfect circuit design: t4pro also with built-in classic headphone amp circuit(2*ne5532), easily to drive 32-300 ohm headphones. reasonable and advanced architecture, ti tpa5430 for power management, tl071+jrc2068 phono preamp circuit etc., enjoy hifi analog sound and first-class design with an unbeatable low cost.
  2. Product Highlights
    • Bluetooth 5.1: equipped with the qualcomm qcc3031 chip, the p3 preamp guarantees impressive wireless sound quality and low latency, with compatibility for aptx hd and aptx ll codecs formats. furthermore, the inclusion of a manual reset button prevents accidental connections by others, enhancing connection reliability.
    • Premium components: it utilizes elna audiophile-grade capacitors and taper a pot. the bass and treble controls boast central detents for tone-defeating. with an snr of up to 103db and a crosstalk of 95db, it helps form a hifi audio system when paired with the v3 amplifier of the same series.
    • True tube amplification: the preamp circuit elevates the voltage to 54v, ensuring the tubes work to their full potential, delivering a warm and rich experience. the unique preamplification technology delivers pure audio signals, faithfully reproducing crisp high tones, full midrange richness, and deep, rhythmic bass.
    • Versatile connectivities: the p3 provides bluetooth/rca inputs and rca/aux out/3.5mm headphone outputs. it can help create a 2.1-channel audio system by connecting active speakers/an amplifier and a subwoofer. as a headphone amplifier, it supports headphones with impedance ranging from 16ω to 300ω.
    • What you'll get: fosi audio p3 tube preamplifier x1, user manual x1, 5654w vacuum tube x2, 12v/1.5a power supply x1, a 24-month worry-free warranty and responsive customer service.
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